‘This forms the base for 21 Grams. The urn offers the possibility to conserve 21 grams of ashes of the deceased and displays an immortal desire.’

He continued: ‘I sometimes help an elderly lady with her groceries and she has an urn standing near the window with the remains of her husband.

‘She always speaks with so much love about him but the jar he was in didn’t reflect that at all.

‘In that same period I read an article about widows, taboos and sex and intimacy and then I thought to myself “can I combine these themes and make an object that is about love and missing and intimacy?”‘

The box, called 21 Grams – said to be the weight of the human soul – was his answer.